Originally posted by projectSHO89:
Originally posted by asystole:
code 420 refers to the O2 sensor, specifically the #1 bank above or before cats, this is the sensor right by the fire wall under the coil pack. their is a how to in the howto section, i hope this helps
Uh, no!
Catalyst efficiency test, as already noted.
Steve
a how-to should be posted on this specific code and the possible ways to fix the code...this specific code has been beaten to death. i posted 2 links about this and have many more posts saved because i had to deal with it and i researched it in great depth...
ok
done venting
Cheers
Suriel
Silver
'98 SVT
3356 of 6535
8/29/97
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